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Finasteride can increase body and facial hair growth due to increased testosterone, despite its intended use to reduce hair loss on the scalp. Some users consider trying topical finasteride for less systemic impact, while others report mixed results and side effects.

Finasteride may decrease free testosterone by increasing SHBG, potentially causing side effects like reduced libido and hormonal changes. Some find it effective for hair loss, while others experience negative effects.

A 19-year-old with diffuse hair thinning and erectile dysfunction is considering starting Propecia (finasteride) while already using a minoxidil solution with anti-androgens. Concerns are raised about the psychological nature of erectile dysfunction and the potential systemic effects of anti-androgens, with suggestions to address porn addiction and consult a doctor about hormone therapy.

Saw palmetto, a 5-alpha reductase inhibitor, caused unexpected side effects like breast changes and altered semen consistency, which resolved after stopping its use. Concerns about similar side effects with finasteride or dutasteride were expressed, and another user reported low libido and depression from saw palmetto.

A 23-year-old male experienced an increase in testosterone levels after taking 1 mg of finasteride daily for six months, with no significant side effects reported. Users discussed how finasteride inhibits DHT, leading to increased testosterone, and debated the psychological versus physiological effects of the medication.

Finasteride may affect prostate sensation and size, with some users reporting easier urination. Concerns exist about prostate shrinkage even at lower doses.